According to quantum mechanics, the physics theory that describes the zoo of subatomic particles, all matter can be described ... debated whether light was made of tiny particles or some sort ...

Orbiting the positively charged nucleus are electrons — tiny particles with a negative ... top and bottom. All normal, observable matter is made of up quarks, down quarks and electrons.

Bright flashes of enigmatic radio waves have helped illuminate some of the missing matter in the universe, astronomers say in ...

The ancient Greek philosopher Democritus imagined all matter to be made of tiny particles ... Mr. Tonelli says succinctly, “is made up of particles which interact by exchanging other particles.

Everything scientists know about particle physics, summed up in a ... of matter and antimatter. A mirror version of matter, antimatter consists of partner particles for all the regular particles ...

The prevailing theory over the past several decades has been that dark matter is made up of particles that act like teeny, tiny billiard balls bouncing around in space. Considering that all the matter ...

then it can clump up and aggregate more easily than if it was zooming through the vacuum of space—which it would be if all dark matter was “hot” or made of lighter particles traveling at ...

Plastic is a material invented by humans that has gone from not existing at all ... It made visible a problem that tends to go unnoticed, as the pollution is made up of tiny particles invisible ...

One of the most shocking facts about the cosmos and our understanding of it is that, despite all our advancements ... dark matter can’t be composed of the particles that make up atoms that ...

But in space, the same-sized cube contains only one or two particles. Space, or outer space, is a vast, near-perfect vacuum largely devoid of matter ... and together make up our fascinating ...

Ultrafine dark matter, millions of times lighter than electrons, could flow through the cosmos in waves. We might just have an easy way to check for tiny ... make up the Earth and everything on it ...